To send SMS messages using a US or Canada toll-free number, you must complete the SMS toll-free verification. This process helps carriers confirm that your messages comply with anti-spam policies and ensures higher delivery rates.

In this article, we’ll guide you through each step of the verification process — from entering your business information to submitting your use case details.
 

Get started: Register your toll-free number 

Before starting the verification process, you will find the required information you will need to prepare to submit your registration, including:

• Business information
• Business registration documentation
• Use case details
• Opt-in details

Once you have prepared everything required, click “Start” to continue.

Step 1: Business information

In this step, enter your official business details so carriers can verify your toll-free number is tied to a legitimate organization. Make sure everything matches your legal or registered business records.

Fields required:

• Legal business name
  • Enter your company’s registered legal name exactly as shown on official documents (for US entities, match the IRS EIN confirmation name).
  • Example: SleekFlow Limited
• Business DBA (optional)
  • DBA means “Doing Business As”—the brand or trading name you operate under
  • If your business operates under a different public-facing name, enter it here. Leave blank if it’s the same as your legal business name.
• Company type
  • Select the option that best matches your business’s legal structure (for example, LLC, Corporation).
• Business registration issuing country
  • Choose the country where your business is officially registered.
• Business registration ID type
  • Select the type of registration number your business uses (for example, EIN).
• Business registration number
  • Enter the registration number exactly as it appears in your registration records (no extra spaces or formatting changes).
• Business website URL
  • Enter a working business website that clearly relates to your business name.

Step 2: Business address

In this step, enter your company’s registered business address. This information is used by carriers to confirm your business identity and verify that your organization is legitimate and contactable.

You can choose to type the address manually, or enter the address manually.

Step 3: Authorized representative

In this step, enter the contact tails of the person who is officially designated to act on behalf of this business.

Fields required:

• First name
  • Enter the first name of the person authorized to submit this verification on behalf of the business.
• Last name
  • Enter the authorized representative’s last name exactly as it appears in their work records.
• Email address
  • Use a valid business email address (recommended) so carriers can contact you if additional information is needed.
• Phone number
  • Enter a direct phone number for the authorized representative, including country code if applicable.

Step 4: Describe your messaging use case

In this step, describe how your business plans to use the toll-free number for messaging.

This information helps carriers understand the type of messages you send, how users opt in, and how frequently they receive them.

Fields required:

• Estimated monthly SMS volume
  • Select the approximate number of SMS messages you plan to send from this toll-free number each month.
• Use case(s)
  • Choose the use case(s) that best match the types of messages you’ll send (for example, customer support, notifications, or marketing).
    Use case description (max 1,000 characters)
  • Briefly explain what you’ll use the toll-free number for, including what messages you send and how customers opt in.
    Sample message (max 1,000 characters)
  •  Provide an example of a real SMS you’ll send. Include opt-in/opt-out language when applicable (for example, “Reply STOP to unsubscribe”).
    
     

Step 5: Describe your opt-in type and how recipients provide consent

In this step, you will need to provide a clear description of how the recipients opt-in to receive your messages. You will need to list all opt-in methods, and include links to your privacy policy and terms of service if you are using a website.

Fields required:

• Opt-in type
  • Choose how your customers subscribe to receive your SMS messages.
  • You can choose from the following options:
    • Verbal
    • Web form
    • Paper form
    • Via text
    • Mobile/QR code
  • Once you have chosen from the “Opt-in type” drop-down list, instructions will be displayed to guide you through filling in the form
• Opt-in policy proof
  • Paste one or more URLs that show where customers give consent to receive SMS (such as your website’s opt-in page or a screenshot hosted online).
  • The URL must start with https://.
  • Example: https://sleekflow.io/sms-opt-in
  • 💡 If your opt-in process happens via text (e.g. “Text START to 12345”), include a screenshot of the confirmation flow hosted at a public link.
• Terms and conditions URL (optional)
• Privacy policy URL (optional)

Step 6: Review and submit your registration

In this final step, review the information you have provided in this form before submitting the registration.

The verification process usually takes 3-5 business days.